SKEREBRENDER

In conventional oxygen-fuel cutting torches there is a central orifice through which oxygen passes when the oxygen valve is opened, and there are a plurality of smaller orifices coaxial with the central orifice through which a controlled mixture of oxygen and fuel passes which provides a preheating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EDWIN KNOX TAYLOR, JAMES VAUGHAN BOYD
Format:	Patent
Sprache:	dan
Schlagworte:	BLASTING BURNERS CLADDING OR PLATING BY SOLDERING OR WELDING COMBUSTION APPARATUS COMBUSTION PROCESSES CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	In conventional oxygen-fuel cutting torches there is a central orifice through which oxygen passes when the oxygen valve is opened, and there are a plurality of smaller orifices coaxial with the central orifice through which a controlled mixture of oxygen and fuel passes which provides a preheating flame to heat the work to a kindling temperature so that the oxygen will cause it to burn. This invention provides a controlled bypass means between the output of the mixer in which the fuel and oxygen are combined, to pass this mixture into the center orifice during the period the oxygen is not being used. Thus a larger central orifice is provided so that a large preheat flame is provided at the center of the torch.